CN203190155U - T5 fluorescent lamp - Google Patents
T5 fluorescent lamp Download PDFInfo
- Publication number
- CN203190155U CN203190155U CN 201320211001 CN201320211001U CN203190155U CN 203190155 U CN203190155 U CN 203190155U CN 201320211001 CN201320211001 CN 201320211001 CN 201320211001 U CN201320211001 U CN 201320211001U CN 203190155 U CN203190155 U CN 203190155U
- Authority
- CN
- China
- Prior art keywords
- circuit
- fluorescent lamp
- bridge inverter
- electronic ballast
- lamp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000010355 oscillation Effects 0.000 claims abstract description 15
- 239000003990 capacitor Substances 0.000 claims description 19
- 102220065736 rs543286136 Human genes 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 230000003321 amplification Effects 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 238000005286 illumination Methods 0.000 abstract description 16
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 230000009467 reduction Effects 0.000 abstract description 5
- 238000004134 energy conservation Methods 0.000 abstract 1
- 241001465382 Physalis alkekengi Species 0.000 description 16
- 238000010586 diagram Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 239000011162 core material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Images
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
The utility model relates to a T5 fluorescent lamp which comprises lamp corners, a lampshade, a wiring end, a fluorescent lamp tube and an electronic ballast. The electronic ballast comprises a rectifying circuit, a power factor correcting circuit, a half-bridge inverter circuit, a high-frequency oscillation circuit, a trigger circuit, a magnet ring transformer and a direct current biasing circuit. The lampshade is of a straight strip shape, and the vertical section of the lampshade is an arc-shaped groove. A reflection layer is arranged on the inner side face of the lampshade. The fluorescent lamp tube is fixed between the two lamp corners and on one side of the inner side of the lampshade. The rectifying circuit is connected with an electric supply, and the output end of the rectifying circuit is communicated with the power factor correcting circuit. The power factor correcting circuit is connected with the half-bridge inverter circuit. The direct current biasing circuit is communicated with the half-bridge inverter circuit. The high-frequency oscillation circuit and the magnet ring transformer provide switching frequency and driving voltage for the half-bridge inverter circuit respectively. Under the control of the direct current biasing circuit, the trigger circuit triggers the half-bridge inverter circuit to start operation. On the premise of unchanged illumination, the T5 fluorescent lamp can reduce consumption of electric energy and achieve energy conservation and consumption reduction.
Description
Technical Field
The utility model relates to a lamps and lanterns design technical field especially relates to a T5 fluorescent lamp.
Background
The existing lamp utilizing T5 fluorescent tube for illumination generally includes fluorescent tube, lamp cover, lamp corner, terminal and electronic ballast. The lamp comprises a lamp shade, two lamp corners, two wiring terminals and a power supply, wherein the two lamp corners and the wiring terminals are respectively arranged at two ends of the lamp shade; the fluorescent lamp tube is fixed between the two lamp corners, so that the lampshade and the lamp corners jointly play a role of fixing the fluorescent lamp tube, and the electronic ballast converts commercial power (alternating current) into alternating current for illumination required by the fluorescent lamp tube to supply to the fluorescent lamp tube. The existing electronic ballast is generally composed of a rectifying circuit and an inverter circuit, wherein the rectifying circuit converts commercial power into direct current, and the inverter circuit converts the direct current into alternating current for illumination required by fluorescent tube illumination.
The T5 fluorescent lamp designed by the prior art has the illuminance related to the rated power of the fluorescent lamp tube only, and if the rated power of the fluorescent lamp tube is reduced, the overall illuminance of the lamp is inevitably reduced, so that the environment becomes dim. In this way, in order to maintain a certain luminance in a certain place, or increase the number of lamps to reduce the rated power of each fluorescent tube, or increase the rated power of each fluorescent tube to reduce the usage of lamps, the consumption of electric energy is large in general, and it is difficult to achieve energy saving.
Disclosure of Invention
The utility model aims to solve the technical problem that a T5 fluorescent lamp is provided, can reduce the electric energy consumption under the unchangeable prerequisite of illuminance, realize energy saving and consumption reduction.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a T5 fluorescent light fixture, the T5 fluorescent light fixture comprising: the lamp comprises a lamp corner, a lamp shade, a wiring terminal, a fluorescent lamp tube and an electronic ballast; the electronic ballast includes: the device comprises a rectifying circuit, a power factor correction circuit, a half-bridge inverter circuit, a high-frequency oscillation circuit, a trigger circuit, a magnetic ring transformer and a direct current bias circuit; wherein,
the fluorescent lamp tube is a T5 fluorescent lamp tube;
the number of the lamp corners and the number of the wiring terminals are two;
the lampshade is straight and the vertical section of the lampshade is an arc-shaped groove; a reflecting layer is arranged on the inner side surface of the lampshade;
two ends of the lampshade are respectively connected with a lamp corner, and the outer side of each lamp corner is provided with a wiring terminal;
the fluorescent lamp tube is fixed between the two lamp corners and is positioned on one side of the inner side surface of the lampshade, and the through pins on the fluorescent lamp tube are respectively communicated with the two wiring ends;
the input end of the rectifying circuit is connected with commercial power provided by the outside, and the output end of the rectifying circuit is communicated with the input end of the power factor correction circuit; the output end of the power factor correction circuit is connected with the input end of the half-bridge inverter circuit;
the input end of the direct current bias circuit is communicated with the output end of the half-bridge inverter circuit, and the output end of the direct current bias circuit is respectively connected with the two wiring ends;
the high-frequency oscillation circuit and the magnetic ring transformer respectively provide switching frequency and driving voltage for the half-bridge inverter circuit; the trigger circuit triggers the half-bridge inverter circuit to start under the control of the direct current bias circuit.
On the basis of the technical scheme, the utility model discloses can also do as follows the improvement:
furthermore, the electronic ballast also comprises an input inductor, the input end of the input inductor is communicated with the mains supply, and the output end of the input inductor is connected with the rectifying circuit.
Furthermore, the electronic ballast further comprises a fuse, and two ends of the fuse are respectively connected with the mains supply and the input end of the input inductor.
Furthermore, the electronic ballast also comprises a filter circuit, the input end of the filter circuit is connected with the output end of the rectifying circuit, and the output end of the filter circuit is connected with the input end of the power factor correction circuit.
Further, the electronic ballast also comprises a protection circuit which is connected on the half-bridge inverter circuit and provides short-circuit protection of the driving end to the ground.
Furthermore, the electronic ballast also comprises a resonant circuit, the input end of the resonant circuit is connected with the output end of the half-bridge inverter circuit, and the output end of the resonant circuit is connected with the input end of the direct current bias circuit.
Further, the resonance circuit is an LC resonance circuit.
Further, the power of the electronic ballast is 17W; the resonance circuit comprises an output inductor and a take-off capacitor; the output inductor comprises two inductors which are connected in series, the models of the two inductors are both EE16, the material of the magnetic core is both PC40, and the inductance is both 3.8 mH; the jump capacitor comprises capacitors C10A and C10B which are connected in parallel, the withstand voltage of the capacitors is 1250V, the capacitance of the capacitor C10A is 3.9nF, and the capacitance of the capacitor C10B is 1.8 nF.
Further, the power of the electronic ballast is 17W; the half-bridge inverter circuit includes: the triode Q1 and Q2 are connected in series, an emitter resistor R2 and a base resistor R4 of Q1, an emitter resistor R3 and a base resistor R5 of Q2; wherein, the storage time of Q1 and Q2 is 2.5 ns-3.0 ns, and the amplification factor is 20-25; r2 and R3 are both 0.5 ohms, and R4 and R5 are both 20 ohms.
Further, the power of the electronic ballast is 17W; the high-frequency oscillation circuit comprises a magnetic ring transformer, wherein the magnetic ring transformer comprises three coils TW1-2, TW3-4 and TW 5-6; the size of the magnetic ring transformer is 10mm multiplied by 6mm multiplied by 5 mm; the number of turns of TW1-2, TW3-4, and TW5-6 was 4 turns, 7 turns, and 4 turns in this order.
The utility model has the advantages that: the utility model discloses in, the lamp shade is the vertical bar shape, and the vertical section design is the arc recess, and its inboard has the reflection stratum, and fluorescent tube is located medial surface one side of lamp shade, and consequently, the reflection stratum can be to the light reflection of fluorescent tube directive lamp shade direction back, and this is the utility model discloses strengthen an aspect of lamps and lanterns illuminance. The utility model provides an electronic rectifier has set up power factor correction circuit, and this power factor correction circuit can improve electronic ballast's power factor to keep lamps and lanterns illuminance unchangeable under the circumstances that reduces fluorescent tube rated power (reduce input mains power promptly), this is the utility model discloses strengthen another aspect of lamps and lanterns illuminance. Therefore, the utility model discloses can keep the illuminance of lamps and lanterns unchangeable under the circumstances that reduces fluorescent tube rated power to reduce the electric energy consumption, realize energy saving and consumption reduction. In addition, high frequency oscillation circuit can provide suitable switching frequency in order to eliminate the stroboscopic phenomenon of light to half-bridge inverter circuit, and direct current bias circuit can provide steady voltage to fluorescent tube to eliminate the cyclone phenomenon of luminescent material when the low temperature in fluorescent tube, this all can improve the utility model provides a lighting quality of lamps and lanterns.
Drawings
Fig. 1 is an external view of a T5 fluorescent lamp provided by the present invention;
fig. 2 is a cross-sectional view of a T5 fluorescent light fixture provided by the present invention;
fig. 3 is a structural diagram of an electronic ballast provided by the present invention;
fig. 4 is a circuit diagram of an embodiment of the electronic ballast according to the present invention.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
Fig. 1 is an external view of a T5 fluorescent lamp provided by the present invention, fig. 2 is a cross-sectional view of the T5 fluorescent lamp cut along AA' in fig. 1, and fig. 3 is a structural diagram of an electronic ballast provided by the present invention. As shown in fig. 1-3, the present invention provides a T5 fluorescent lamp, the T5 fluorescent lamp includes: a lamp horn 102, a lamp shade 103, a terminal 101, a fluorescent lamp tube 105 and an electronic ballast 104; the electronic ballast 104 includes: a rectifying circuit 303, a power factor correction circuit 305, a half-bridge inverter circuit 306, a high-frequency oscillation circuit 309, a trigger circuit 310, a magnetic loop transformer 311, and a dc bias circuit 308. The lamp angle 102 and the terminal 101 are two, and the fluorescent lamp 105 is a T5 fluorescent lamp.
As shown in fig. 1, the lampshade 103 is in a straight strip shape, the lampshade 103 is cut along an AA' vertical to the paper surface in fig. 1, and the vertical section of the lampshade 103 is an arc-shaped groove as shown in fig. 2. The utility model discloses the medial surface at lamp shade 103 is equipped with reflection stratum 1031.
The lamp housing 103 is connected with a lamp corner 102 at two ends, and a terminal 101 is arranged at the outer side of each lamp corner 102.
The fluorescent tube 105 is fixed between the two corners 102 and located on the inner side of the lampshade 103, so that the light emitted from the fluorescent tube 105 toward the inner side of the lampshade 103 is totally or partially reflected by the reflecting layer 1031, thereby improving the illumination of the lamp.
The through pins 106 of the fluorescent tube 105 are respectively connected to the two terminals 101.
In the present invention, the electronic ballast 104 is a circuit for converting the commercial power into the ac power for illumination, and the ac power for illumination is provided to the fluorescent tube 105 through the wiring terminal 101, so that the substances (such as rare earth, mercury, etc.) in the fluorescent tube 105 emit light for illumination. The lamp housing 103 and the lamp angle 102 can fix the fluorescent lamp 105, and can improve the illumination of the lamp by the reflection of the reflection layer 1031.
In the electronic ballast 104 of the present invention, the input end of the rectifying circuit 303 is connected to the commercial power provided from the outside, and the output end is connected to the input end of the power factor correction circuit 305; the output end of the power factor correction circuit 305 is connected with the input end of the half-bridge inverter circuit 306. Here, the rectifying circuit 303 may rectify commercial power (e.g., 220V ac power used in china) into dc power; the power factor correction circuit 305 can increase the power factor of the electronic ballast 104, thereby reducing the power consumption of the fluorescent lamp 105; the half-bridge inverter circuit 306 can invert the rectified dc power into ac power for illumination. It can be seen that through the intercommunication relation between foretell rectifier circuit 303, power factor correction circuit 305 and the half-bridge inverter circuit 306, can convert the commercial power into fluorescent tube 105 illumination required alternating current for the illumination to, for prior art, the utility model discloses add power factor correction circuit 305 in electronic ballast 104, can improve electronic ballast 104's power factor, therefore the utility model discloses well fluorescent tube 105's energy consumption greatly reduced. In addition, power factor's improvement can also reach the purpose that reduces total harmonic distortion degree, makes the harmonic of feeding back the commercial power electric wire netting very reduce to reduced the utility model discloses pollution to the commercial power electric wire netting.
As shown in fig. 3, the input terminal of the dc bias circuit 308 is connected to the output terminal of the half-bridge inverter circuit 306, and the output terminals thereof are respectively connected to the two terminals 101. The dc bias circuit 308 can provide a stable voltage to the fluorescent lamp 105, thereby eliminating the cyclone phenomenon of the light-emitting substance in the fluorescent lamp 105 at a low temperature, preventing the lamp from rolling, and improving the illumination quality.
The high-frequency oscillation circuit 309 and the magnetic loop transformer 311 respectively provide a switching frequency and a driving voltage to the half-bridge inverter circuit 306; the trigger circuit 310 triggers the half-bridge inverter circuit 306 to start up under the control of the dc bias circuit 308.
Here, half-bridge inverter circuit 306 has certain switching frequency, and this switching frequency has decided the flicker frequency of the light that fluorescent tube 105 sent, and under the condition that light flicker frequency surpassed the discernment ability of people's eye, the people just can not feel the scintillation of light, consequently, the utility model discloses utilize high-frequency oscillation circuit 309 to set for half-bridge inverter circuit 306's switching frequency, can control light flicker frequency and surpass the discernment ability of people's eye to guarantee the comfort level of fluorescent tube illumination.
Therefore, the utility model discloses in, the lamp shade is the vertical bar shape, and the vertical cross section design is the arc recess, and its inboard has the reflection stratum, and fluorescent tube is located medial surface one side of lamp shade, and consequently, the reflection stratum can be to the light reflection of fluorescent tube directive lamp shade direction back, and this is the utility model discloses strengthen an aspect of lamps and lanterns illuminance. The utility model provides an electronic rectifier has set up power factor correction circuit, and this power factor correction circuit can improve electronic ballast's power factor to keep lamps and lanterns illuminance unchangeable under the circumstances that reduces fluorescent tube rated power (reduce input mains power promptly), this is the utility model discloses strengthen another aspect of lamps and lanterns illuminance. Therefore, the utility model discloses can keep the illuminance of lamps and lanterns unchangeable under the circumstances that reduces fluorescent tube rated power to reduce the electric energy consumption, realize energy saving and consumption reduction. In addition, high frequency oscillation circuit can provide suitable switching frequency in order to eliminate the stroboscopic phenomenon of light to half-bridge inverter circuit, and direct current bias circuit can provide steady voltage to fluorescent tube to eliminate the cyclone phenomenon of luminescent material when the low temperature in fluorescent tube, this all can improve the utility model provides a lighting quality of lamps and lanterns.
The electronic ballast 104 of the present invention can further add different circuits, thereby having better performance.
As shown in fig. 3, the electronic ballast 104 may further include an input inductor 302, an input end of which is connected to the mains and an output end of which is connected to the rectifying circuit 303. The input inductor 302 may act as a filter, which may filter out some of the harmonics in the mains, while preventing the electronic ballast harmonics from feeding into the mains grid.
The electronic ballast 104 may further include a fuse 301, both ends of which are respectively connected to the mains and the input end of the input inductor 302. The fuse 301 is a protective circuit, and when a short circuit or an overcurrent occurs in a circuit at the rear stage of the fuse 301, the fuse 301 can be quickly disconnected to protect the electronic ballast 104 from being burned out, thereby preventing a fire, an electric shock and other dangers.
The electronic ballast 104 may further include a filter circuit 304 having an input connected to the output of the rectifier circuit 303 and an output connected to the input of the power factor correction circuit 305. The filter circuit 304 functions to filter a ripple voltage in the direct current output from the rectifier circuit 303, thereby smoothing the voltage of the direct current.
The electronic ballast 104 may further include a protection circuit 312 connected to the half-bridge inverter circuit 306 for providing drive terminal to ground short protection to the half-bridge inverter circuit 306. When the circuit is operating normally, the protection circuit 312 does not operate; when the fluorescent lamp 105 is abnormal and the voltage of the half-bridge inverter circuit 306 rises or the current overflows, the protection circuit 312 can make the half-bridge inverter circuit 306 short-circuited to the ground to protect and stop working, thereby protecting the electronic ballast 104 and preventing accidents such as fire and the like.
The electronic ballast 104 may further include a resonant circuit 307 having an input connected to the output of the half-bridge inverter circuit 306 and an output connected to the input of the dc bias circuit 308. The resonant circuit 307 can be implemented by an LC resonant circuit, when the fluorescent lamp 105 is not lit yet but the circuit is turned on, the resonant circuit 307 can function to light the fluorescent lamp 105 as soon as possible, and after the fluorescent lamp 105 is lit, the output inductor in the resonant circuit 307 can filter out the harmonic in the ac power for illumination output by the half-bridge inverter circuit 306, and the jump capacitor in the resonant circuit 307 stops working.
Use T5-17W fluorescent tube the design of the utility model, compare with the T5-28W fluorescent tube that utilizes prior art, not only prolonged the life extension of T5-17W fluorescent tube, improved the illuminance, still reduced 11W with rated power to 40% power saving rate has been obtained.
Fig. 4 is a circuit diagram of an embodiment of the present invention, wherein the power of the electronic ballast is 17W. To match the electronic ballast shown in fig. 4, so as to obtain the best lighting and energy saving effect of the T5 fluorescent lamp, the power of the fluorescent tube in the T5 fluorescent lamp should also be 17W. As shown in FIG. 4, fuse F1 has a blowing current of 1A. The power factor correction circuit comprises two capacitors of C4 and C5, wherein the two capacitors can resist 630V voltage, C4 is 8.2nF, and C5 is 22 nF. The half-bridge inverter circuit includes: the two transistors Q1 and Q2 are connected in series with their respective base and emitter resistors, where "series" means that the emitter of Q1 is connected to the collector of Q2, and of course in fig. 4 there is also the emitter resistor of Q1 (which is formed by R2A in parallel with R2B) between the emitter of Q1 and the collector of Q2. Wherein, the storage time of Q1 and Q2 is 2.5 ns-3.0 ns, and the amplification factor is 20-25; the emitter resistance R2 (obtained by connecting R2A and R2B in parallel) of Q1 and the emitter resistance R3 (obtained by connecting R3A and R3B in parallel) of Q2 are both 0.5 ohms, and the base resistance R4 (obtained by connecting R4A and R4B in parallel) of Q1 and the base resistance R5 (obtained by connecting R5A and R5B in parallel) of Q2 are both 20 ohms. The high-frequency oscillation circuit includes a magnetic loop transformer TW including three coils (TW 1-2, TW3-4, and TW 5-6) in fig. 4, which is 10mm × 6mm × 5mm in size, and the three coils (TW 1-2, TW3-4, and TW 5-6) have turns of 4 turns, 7 turns, and 4 turns in this order. The resonance circuit comprises an output inductor and a take-off capacitor, wherein the output inductor comprises two inductors TS-1 and TS-2 which are connected in series in the figure 4, the types of the two inductors are EE16, the magnetic core materials are both PC40, and the inductance is 3.8 mH; the jump capacitor comprises two capacitors C10A and C10B which are connected in parallel, the withstand voltage of the two capacitors is 1250V, the capacitance of the C10A is 3.9nF, and the capacitance of the C10B is 1.8 nF.
Therefore, the utility model has the advantages of it is following:
(1) the utility model discloses in, the lamp shade is the vertical bar shape, and the vertical section design is the arc recess, and its inboard has the reflection stratum, and fluorescent tube is located medial surface one side of lamp shade, and consequently, the reflection stratum can be to the light reflection of fluorescent tube directive lamp shade direction back, and this is the utility model discloses strengthen an aspect of lamps and lanterns illuminance. The utility model provides an electronic rectifier has set up power factor correction circuit, and this power factor correction circuit can improve electronic ballast's power factor to keep lamps and lanterns illuminance unchangeable under the circumstances that reduces fluorescent tube rated power (reduce input mains power promptly), this is the utility model discloses strengthen another aspect of lamps and lanterns illuminance. Therefore, the utility model discloses can keep the illuminance of lamps and lanterns unchangeable under the circumstances that reduces fluorescent tube rated power to reduce the electric energy consumption, realize energy saving and consumption reduction. In addition, high frequency oscillation circuit can provide suitable switching frequency in order to eliminate the stroboscopic phenomenon of light to half-bridge inverter circuit, and direct current bias circuit can provide steady voltage to fluorescent tube to eliminate the cyclone phenomenon of luminescent material when the low temperature in fluorescent tube, this all can improve the utility model provides a lighting quality of lamps and lanterns.
(2) The utility model discloses in, power factor's improvement can reach the purpose that reduces total harmonic distortion degree, makes the harmonic of feeding back the commercial power electric wire netting very reduce to reduced the utility model discloses pollution to the commercial power electric wire netting.
(3) The utility model discloses set up the fuse, when the circuit of its rear stage takes place the short circuit or overflows, the fuse can break off and protect electronic ballast not burnt out to prevent dangers such as conflagration, electric shock.
(4) The utility model discloses set up protection circuit, when fluorescent tube takes place unusually, protection circuit can make half-bridge inverter circuit by short circuit protection stop work, has just so protected electronic ballast, prevents accidents such as conflagration.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. A T5 fluorescent light fixture, wherein the T5 fluorescent light fixture comprises: the lamp comprises a lamp corner, a lamp shade, a wiring terminal, a fluorescent lamp tube and an electronic ballast; the electronic ballast includes: the device comprises a rectifying circuit, a power factor correction circuit, a half-bridge inverter circuit, a high-frequency oscillation circuit, a trigger circuit, a magnetic ring transformer and a direct current bias circuit; wherein,
the fluorescent lamp tube is a T5 fluorescent lamp tube;
the number of the lamp corners and the number of the wiring terminals are two;
the lampshade is straight and the vertical section of the lampshade is an arc-shaped groove; a reflecting layer is arranged on the inner side surface of the lampshade;
two ends of the lampshade are respectively connected with a lamp corner, and the outer side of each lamp corner is provided with a wiring terminal;
the fluorescent lamp tube is fixed between the two lamp corners and is positioned on one side of the inner side surface of the lampshade, and the through pins on the fluorescent lamp tube are respectively communicated with the two wiring ends;
the input end of the rectifying circuit is connected with commercial power provided by the outside, and the output end of the rectifying circuit is communicated with the input end of the power factor correction circuit; the output end of the power factor correction circuit is connected with the input end of the half-bridge inverter circuit;
the input end of the direct current bias circuit is communicated with the output end of the half-bridge inverter circuit, and the output end of the direct current bias circuit is respectively connected with the two wiring ends;
the high-frequency oscillation circuit and the magnetic ring transformer respectively provide switching frequency and driving voltage for the half-bridge inverter circuit; the trigger circuit triggers the half-bridge inverter circuit to start under the control of the direct current bias circuit.
2. A T5 fluorescent lamp according to claim 1, wherein the electronic ballast further includes an input inductor with an input end connected to the mains and an output end connected to the rectifying circuit.
3. A T5 fluorescent lamp according to claim 2, wherein the electronic ballast further includes a fuse having two ends respectively connected to the mains and the input end of the input inductor.
4. A T5 fluorescent lamp according to claim 1, wherein the electronic ballast further includes a filter circuit having an input connected to the output of the rectifier circuit and an output connected to the input of the power factor correction circuit.
5. A T5 fluorescent lamp as set forth in claim 1, wherein the electronic ballast further includes a protection circuit connected to the half-bridge inverter circuit to provide drive-side-to-ground short-circuit protection thereto.
6. The T5 fluorescent lamp of claim 1, wherein the electronic ballast further comprises a resonant circuit having an input connected to the output of the half-bridge inverter circuit and an output connected to the input of the dc bias circuit.
7. A T5 fluorescent light fixture of claim 6, wherein the resonant circuit is an LC resonant circuit.
8. A T5 fluorescent lamp according to claim 6, wherein the power of the electronic ballast is 17W; the resonance circuit comprises an output inductor and a take-off capacitor; the output inductor comprises two inductors which are connected in series, the models of the two inductors are both EE16, the material of the magnetic core is both PC40, and the inductance is both 3.8 mH; the jump capacitor comprises capacitors C10A and C10B which are connected in parallel, the withstand voltage of the capacitors is 1250V, the capacitance of the capacitor C10A is 3.9nF, and the capacitance of the capacitor C10B is 1.8 nF.
9. A T5 fluorescent lamp as set forth in claim 1, wherein the electronic ballast has a power of 17W; the half-bridge inverter circuit includes: the triode Q1 and Q2 are connected in series, an emitter resistor R2 and a base resistor R4 of Q1, an emitter resistor R3 and a base resistor R5 of Q2; wherein, the storage time of Q1 and Q2 is 2.5 ns-3.0 ns, and the amplification factor is 20-25; r2 and R3 are both 0.5 ohms, and R4 and R5 are both 20 ohms.
10. A T5 fluorescent lamp as set forth in claim 1, wherein the electronic ballast has a power of 17W; the high-frequency oscillation circuit comprises a magnetic ring transformer, wherein the magnetic ring transformer comprises three coils TW1-2, TW3-4 and TW 5-6; the size of the magnetic ring transformer is 10mm multiplied by 6mm multiplied by 5 mm; the number of turns of TW1-2, TW3-4, and TW5-6 was 4 turns, 7 turns, and 4 turns in this order.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320211001 CN203190155U (en) | 2013-04-23 | 2013-04-23 | T5 fluorescent lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320211001 CN203190155U (en) | 2013-04-23 | 2013-04-23 | T5 fluorescent lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203190155U true CN203190155U (en) | 2013-09-11 |
Family
ID=49107013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320211001 Expired - Fee Related CN203190155U (en) | 2013-04-23 | 2013-04-23 | T5 fluorescent lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203190155U (en) |
-
2013
- 2013-04-23 CN CN 201320211001 patent/CN203190155U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207070411U (en) | A kind of LED lamp drive circuit of compatible civil power and Metal halogen lamp ballast | |
| CN201114925Y (en) | Electronic ballast for external electrode fluorescent lamp | |
| CN201750610U (en) | High-reliability electrodeless fluorescent lamp electronic ballast | |
| CN203190155U (en) | T5 fluorescent lamp | |
| CN105611707A (en) | Hot start ballast and low-frequency full bridge circuit of metal halide lamp | |
| CN211090042U (en) | L ED silicon controlled rectifier light-adjusting power supply | |
| CN201709008U (en) | Digital ballast of gas discharge lamp | |
| CN201491354U (en) | Electronic rectifier circuit and electrodeless lamp | |
| CN1674757B (en) | Electromagnetic inductive lamp circuit | |
| CN103391676B (en) | Hot exposure metal halogen lamp electric ballast | |
| CN108712812B (en) | Electrodeless lamp power supply driving circuit and control method | |
| CN105792488A (en) | Energy-saving ballast with power correction function | |
| CN202679767U (en) | Electronic ballast for electrodeless lamp | |
| CN201789672U (en) | Electronic ballast | |
| CN101586790A (en) | Non-polar lamp | |
| CN204634142U (en) | Fluorescent lamp low-light illumination auxiliary device | |
| CN201349352Y (en) | Electronic ballast | |
| CN204377233U (en) | Ballast | |
| CN204350426U (en) | Ballast | |
| CN214014581U (en) | Double-pole high-Power Factor (PF) isolation stroboflash-free light-emitting diode (LED) lighting power supply | |
| CN201706290U (en) | Electronic energy-saving fluorescent lamp fitting | |
| CN203457393U (en) | Energy-saving device for high-frequency high-pressure sodium lamp | |
| CN104735889A (en) | Glimmering illumination aid of fluorescent lamp | |
| CN107371312B (en) | Self-resonance restarting short-circuit prevention ignition circuit without self-oscillation | |
| CN201213127Y (en) | Electrodeless lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Beijing golden Tong Technology Co. Ltd. Assignor: Ma Zhibin Contract record no.: 2014990000331 Denomination of utility model: T5 fluorescent lamp Granted publication date: 20130911 License type: Exclusive License Record date: 20140522 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 Termination date: 20180423 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |